Ahiker in africa discovers a skull that contains 43% of its original amount of c-14 find the age of the skull to the nearest year n=noe^-kt no=inital amount of c-14 (at time t=0) n= amount of c-14 at time t k=.0001

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?